Petrosyan E.A. Aerodinamika soosnogo vertoleta. Balansirovka, ustoychivost, upravlyaemost, manevrennost, avtomaticheskaya stabilizatsiya i avtomaticheskoe upravlenie./Petrosyan E.A. Aerodynamics of co-axial helicopter. Balance, stability, handling, maneuverability, automatic stabilization and automatic control. In Russian - landofmagazines.com

TransliterationPetrosyan E.A. Aerodinamika soosnogo vertoleta. Balansirovka, ustoychivost, upravlyaemost, manevrennost, avtomaticheskaya stabilizatsiya i avtomaticheskoe upravlenie.

In EnglishPetrosyan E.A. Aerodynamics of co-axial helicopter. Balance, stability, handling, maneuverability, automatic stabilization and automatic control. In Russian

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